Hayden Birdsong vs. Greg Maddux — Career Comparison

On the career pitching numbers, Greg Maddux posted a stronger line than Hayden Birdsong. Greg Maddux posted stronger numbers in ERA (3.16 vs 4.77) and WHIP (1.178 vs 1.438). By the career numbers, Greg Maddux had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.